Commissioning services from Finland everywhere in the Nordic countries

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Tammerfast Oy offers electrical power engineering commissioning services from Finland everywhere in the Nordic countries.

Our company was founded in 2018, and we offer commissioning and field supervising of electrical installations as well as testing, installation supervising and operating management services. Our clients include power plants, electrical grids and industrial companies.

We do all work from commissioning to maintenance reliably and with expertise.  

If our services are of interest to you, contact us by phone, e-mail or via the contact form on our website!

Commissioning of electrical installations

You can leave the commissioning and field supervising of electrical installations to us. We also have commissioning experience in operational testing, activations and various calibrations of automation and electrical installations. We have also done tests and calibrations for PLC, motors, VFD and instruments / sensors. We have experience in construction site management as well as mechanical and electrical installations and maintenance.

Our expertise in the commissioning of electrical installations includes:

  • Commissioning tests and measurements for electrical substations

  • Supervising and commissioning of industrial and distribution network electrical installations

  • Commissioning tests and measurements for transformer substations and main switchboards

  • Also various demanding machine automation commissioning and start-ups.

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We test all the most commonly used relays. We also have experience in the commissioning and start-ups of distribution network ground fault power compensation equipment. We also carry out primary ground fault tests for line feeders using things such as ground fault resistance and an interrupted ground fault simulation device.

Our testing expertise includes:

  • Testing of high and medium voltage network protection relays

  • Protection relay installations

  • Commissioning testing

  • Ground fault power compensation device commissioning

  • Primary ground fault tests

Ask more about testing services

Installation supervising

We handle supervising for electrical and instrumentation equipment and projects. We also handle coordination between contractors, commissioning, delivery, planning and the electrical perspectives of other construction projects. We also offer services related to the commissioning and field supervising of electrical installations.

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Operating management

Our company has S1 electrical qualifications, so we are qualified to handle operating management for testing at all voltage levels. We also monitor the performance and quality of maintenance work.

Contact us and ask more!